What happened if the mobile card replacement failed?

Solutions for unsuccessful mobile card replacement.

1. Insert the original card into the mobile phone, and when there is signal when the phone is turned on, send the new card with ZZHK space.

2. Turn off the phone, replace it with a new card and insert it into the phone. After receiving a confirmation text message starting with 10086902, reply Y to confirm. It prompts that the card writing is successful and needs to be restarted.